L. Frank Baum wrote part of the "Wizard of Oz" series in this wooden Victorian beach resort.

This pier made of ice and constructed over the Antarctic winter is used when the resupply cargo ships arrive in summer.

An unassuming secret door once led to a legendary watering hole.

Natural time capsule containing an alien ecosystem.

A sign at the end of the Santa Monica Pier marks the traditional end of the legendary American highway.

The blinking light atop the iconic landmark has been sending secret messages for decades.

This futuristically sylvan church is a glass-enclosed marvel of modern architecture.

This quirky museum has a collection of more than 15,000 bobblehead dolls.

The two locations of this landmark ice cream shop scream pure Americana nostalgia.

Lines from a walking song are etched into a rock in Natural Bridge State Park.

The remains of a doomed Antarctic plane, buried beneath layers of ice and snow, await those willing to do a bit of digging.

The dairy farm in upstate New York where nearly half a million people gathered for three days of peace and music in 1969.

The 16-foot sculpture of a hand looks out from his perch on top of an art gallery.

A coin-operated washing machine turned jukebox, complete with an outdoor dance floor.

A total of 14 men held the title of "president" before George Washington—their historical legacies are enshrined in the lobby of a hotel.

Taumatawhakatangihangakoauauo tamateaturipukakapikimaungahoronuku pokaiwhenuakitanatahu.

Modern art meets modern convenience in possibly the world's most architecturally important public bathroom.

This massive metal sculpture in the shape of a folded paper airplane overlooks a Utah mountain.

The only swimming pool listed on the National Register of Historic Places is emptied and refilled each day with naturally filtered water.

An ode to Japanese artist Hokusai, with a bit of a comical twist.

Franciscan monks created a facsimile of the Holy Land for North Americans who couldn’t afford the trip overseas.

Amid the bustle and noise of the Financial District hides a secluded garden oasis above the city streets.

Eat your Big Mac in a DC-3.

This picturesque abandoned home is rumored to be a spite house.